A126934 - cp's OEIS frontend

A126934 Define an array by d(m, 0) = 1, d(m, 1) = m; d(m, k) = (m - k + 1) d(m+1, k-1) - (k-1) (m+1) d(m+2, k-2). Sequence gives d(0,2n).

n	a(n)
0	1
1	-2
2	36
3	-1800
4	176400
5	-28576800
6	6915585600
7	-2337467932800
8	1051860569760000
9	-607975409321280000
10	438958245529964160000
11	-387161172557428389120000
12	409616520565759235688960000
13	-512020650707199044611200000000
14	746526108731096207043129600000000
15	-1255656914885703820246543987200000000

[1, -2, 36, -1800, 176400, -28576800, 6915585600, -2337467932800, 1051860569760000, -607975409321280000, 438958245529964160000, -387161172557428389120000, 409616520565759235688960000, -512020650707199044611200000000, 746526108731096207043129600000000, -1255656914885703820246543987200000000]

cp's OEIS Frontend

A126934 Define an array by d(m, 0) = 1, d(m, 1) = m; d(m, k) = (m - k + 1) d(m+1, k-1) - (k-1) (m+1) d(m+2, k-2). Sequence gives d(0,2n).

Table of values

List of values